var Giveu = {
		BaseUtil: {},
		TypeUtil: {},
		DateUtil: {},
		HttpUtil: {},
		ArrayUtil: {},
		StringUtil: {},
		NumberUtil: {}
}
Giveu.BaseUtil = {
		/*获取网址参数*/
		getURL: function(name){
		    var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
		    var r = decodeURI(window.location.search).substr(1).match(reg);
		    if(r!=null) return  r[2]; return null;
		},

		/*获取全部url参数,并转换成json对象*/
		getUrlAllParams: function(url) {
		    var url = url ? url : window.location.href;
		    var _pa = url.substring(url.indexOf('?') + 1),
		        _arrS = _pa.split('&'),
		        _rs = {};
		    for (var i = 0, _len = _arrS.length; i < _len; i++) {
		        var pos = _arrS[i].indexOf('=');
		        if (pos == -1) {
		            continue;
		        }
		        var name = _arrS[i].substring(0, pos),
		            value = window.decodeURIComponent(_arrS[i].substring(pos + 1));
		        _rs[name] = value;
		    }
		    return _rs;
		},

		/*删除url指定参数，返回url*/
		delParamsUrl: function(url, name){
		    var baseUrl = url.split('?')[0] + '?';
		    var query = url.split('?')[1];
		    if (query.indexOf(name)>-1) {
		        var obj = {}
		        var arr = query.split("&");
		        for (var i = 0; i < arr.length; i++) {
		            arr[i] = arr[i].split("=");
		            obj[arr[i][0]] = arr[i][1];
		        };
		        delete obj[name];
		        var url = baseUrl + JSON.stringify(obj).replace(/[\"\{\}]/g,"").replace(/\:/g,"=").replace(/\,/g,"&");
		        return url
		    }else{
		        return url;
		    }
		},

		/*获取十六进制随机颜色*/
		getRandomColor: function() {
		    return '#' + (function(h) {
		        return new Array(7 - h.length).join("0") + h;
		    })((Math.random() * 0x1000000 << 0).toString(16));
		},

		/*图片加载*/
		imgLoadAll: function(arr,callback){
		    var arrImg = []; 
		    for (var i = 0; i < arr.length; i++) {
		        var img = new Image();
		        img.src = arr[i];
		        img.onload = function(){
		            arrImg.push(this);
		            if (arrImg.length == arr.length) {
		                callback && callback();
		            }
		        }
		    }
		},

		/*音频加载*/
		loadAudio: function(src, callback) {
		    var audio = new Audio(src);
		    audio.onloadedmetadata = callback;
		    audio.src = src;
		},

		/*DOM转字符串*/
		domToStirng(htmlDOM){
		    var div= document.createElement("div");
		    div.appendChild(htmlDOM);
		    return div.innerHTML
		},

		/*字符串转DOM*/
		stringToDom(htmlString){
		    var div= document.createElement("div");
		    div.innerHTML=htmlString;
		    return div.children[0];
		},


		/**
		 * 光标所在位置插入字符，并设置光标位置
		 * 
		 * @param {dom} 输入框
		 * @param {val} 插入的值
		 * @param {posLen} 光标位置处在 插入的值的哪个位置
		 */
		setCursorPosition: function(dom,val,posLen) {
		    var cursorPosition = 0;
		    if(dom.selectionStart){
		        cursorPosition = dom.selectionStart;
		    }
		    this.insertAtCursor(dom,val);
		    dom.focus();
		    console.log(posLen)
		    dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));
		},

		/*光标所在位置插入字符*/
		insertAtCursor: function(dom, val) {
		    if (document.selection){
		        dom.focus();
		        sel = document.selection.createRange();
		        sel.text = val;
		        sel.select();
		    }else if (dom.selectionStart || dom.selectionStart == '0'){
		        let startPos = dom.selectionStart;
		        let endPos = dom.selectionEnd;
		        let restoreTop = dom.scrollTop;
		        dom.value = dom.value.substring(0, startPos) + val + dom.value.substring(endPos, dom.value.length);
		        if (restoreTop > 0){
		            dom.scrollTop = restoreTop;
		        }
		        dom.focus();
		        dom.selectionStart = startPos + val.length;
		        dom.selectionEnd = startPos + val.length;
		    } else {
		        dom.value += val;
		        dom.focus();
		    }
		}
}

Giveu.TypeUtil = {
    isString: function(o) { //是否字符串
        return Object.prototype.toString.call(o).slice(8, -1) === 'String'
    },
    //是否数字
    isNumber: function(o) {
        return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
    },

    isBoolean: function(o) { //是否boolean
        return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
    },

    isFunction: function(o) { //是否函数
        return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
    },

    isNull: function(o) { //是否为null
        return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
    },

    isUndefined: function(o) { //是否undefined
        return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
    },

    isObj: function(o) { //是否对象
        return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
    },

    isArray: function(o) { //是否数组
        return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
    },

    isDate: function(o) { //是否时间
        return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
    },

    isRegExp: function(o) { //是否正则
        return Object.prototype.toString.call(o).slice(8, -1) === 'RegExp'
    },

    isError: function(o) { //是否错误对象
        return Object.prototype.toString.call(o).slice(8, -1) === 'Error'
    },

    isSymbol: function(o) { //是否Symbol函数
        return Object.prototype.toString.call(o).slice(8, -1) === 'Symbol'
    },

    isPromise: function(o) { //是否Promise对象
        return Object.prototype.toString.call(o).slice(8, -1) === 'Promise'
    },

    isSet: function(o) { //是否Set对象
        return Object.prototype.toString.call(o).slice(8, -1) === 'Set'
    },

    isFalse: function(o) {
        if (!o || o === 'null' || o === 'undefined' || o === 'false' || o === 'NaN') return true
        return false
    },

    isTrue: function(o) {
        return ! this.isFalse(o)
    },

    isIos: function() {
        var u = navigator.userAgent;
        if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) { //安卓手机
            // return "Android";
            return false
        } else if (u.indexOf('iPhone') > -1) { //苹果手机
            // return "iPhone";
            return true
        } else if (u.indexOf('iPad') > -1) { //iPad
            // return "iPad";
            return false
        } else if (u.indexOf('Windows Phone') > -1) { //winphone手机
            // return "Windows Phone";
            return false
        } else {
            return false
        }
    },

    isPC: function() { //是否为PC端
        var userAgentInfo = navigator.userAgent;
        var Agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
        var flag = true;
        for (var v = 0; v < Agents.length; v++) {
            if (userAgentInfo.indexOf(Agents[v]) > 0) {
                flag = false;
                break;
            }
        }
        return flag;
    },

    browserType: function() {
        var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
        var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
        var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
        var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;
        var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器  
        var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器
        var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器
        var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器
        if (isIE) {
            var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
            reIE.test(userAgent);
            var fIEVersion = parseFloat(RegExp["$1"]);
            if (fIEVersion == 7) return "IE7"
            else if (fIEVersion == 8) return "IE8";
            else if (fIEVersion == 9) return "IE9";
            else if (fIEVersion == 10) return "IE10";
            else return "IE7以下" //IE版本过低
        }
        if (isIE11) return 'IE11';
        if (isEdge) return "Edge";
        if (isFF) return "FF";
        if (isOpera) return "Opera";
        if (isSafari) return "Safari";
        if (isChrome) return "Chrome";
    },

    checkStr: function(str, type) {
        switch (type) {
        case 'phone':
            //手机号码
            return /^1[3|4|5|6|7|8|9][0-9]{9}$/.test(str);
        case 'tel':
            //座机
            return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
        case 'card':
            //身份证
            return /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(str);
        case 'pwd':
            //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
            return /^[a-zA-Z]\w{5,17}$/.test(str)
        case 'postal':
            //邮政编码
            return /[1-9]\d{5}(?!\d)/.test(str);
        case 'QQ':
            //QQ号
            return /^[1-9][0-9]{4,9}$/.test(str);
        case 'email':
            //邮箱
            return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
        case 'money':
            //金额(小数点2位)
            return /^\d*(?:\.\d{0,2})?$/.test(str);
        case 'URL':
            //网址
            return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\ + #] * [\w\ - \@ ? ^=%&/~\+#])?/.test(str)
        case 'IP':
            //IP
            return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
        case 'date':
            //日期时间
            return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
        case 'number':
            //数字
            return /^[0-9]$/.test(str);
        case 'english':
            //英文
            return /^[a-zA-Z]+$/.test(str);
        case 'chinese':
            //中文
            return /^[\u4E00-\u9FA5]+$/.test(str);
        case 'lower':
            //小写
            return /^[a-z]+$/.test(str);
        case 'upper':
            //大写
            return /^[A-Z]+$/.test(str);
        case 'HTML':
            //HTML标记
            return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
        default:
            return true;
        }
    },

    // 严格的身份证校验
    isCardID: function(sId) {
        if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
            alert('你输入的身份证长度或格式错误');
            return false;
        }
        //身份证城市
        var aCity = {
            11 : "北京",
            12 : "天津",
            13 : "河北",
            14 : "山西",
            15 : "内蒙古",
            21 : "辽宁",
            22 : "吉林",
            23 : "黑龙江",
            31 : "上海",
            32 : "江苏",
            33 : "浙江",
            34 : "安徽",
            35 : "福建",
            36 : "江西",
            37 : "山东",
            41 : "河南",
            42 : "湖北",
            43 : "湖南",
            44 : "广东",
            45 : "广西",
            46 : "海南",
            50 : "重庆",
            51 : "四川",
            52 : "贵州",
            53 : "云南",
            54 : "西藏",
            61 : "陕西",
            62 : "甘肃",
            63 : "青海",
            64 : "宁夏",
            65 : "新疆",
            71 : "台湾",
            81 : "香港",
            82 : "澳门",
            91 : "国外"
        };
        if (!aCity[parseInt(sId.substr(0, 2))]) {
            alert('你的身份证地区非法');
            return false;
        }

        // 出生日期验证
        var sBirthday = (sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2))).replace(/-/g, "/"),
        d = new Date(sBirthday);
        if (sBirthday != (d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate())) {
            alert('身份证上的出生日期非法');
            return false;
        }

        // 身份证号码校验
        var sum = 0,
        weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
        codes = "10X98765432";
        for (var i = 0; i < sId.length - 1; i++) {
            sum += sId[i] * weights[i];
        }
        var last = codes[sum % 11]; //计算出来的最后一位身份证号码
        if (sId[sId.length - 1] != last) {
            alert('你输入的身份证号非法');
            return false;
        }
        return true;
    }
}

Giveu.StringUtil = {
		 /**
	     * 去除空格
	     * @param  {str}
	     * @param  {type} 
	     *       type:  1-所有空格  2-前后空格  3-前空格 4-后空格
	     * @return {String}
	     */
	    trim: function(str, type) {
	        type = type || 1
	        switch (type) {
	            case 1:
	                return str.replace(/\s+/g, "");
	            case 2:
	                return str.replace(/(^\s*)|(\s*$)/g, "");
	            case 3:
	                return str.replace(/(^\s*)/g, "");
	            case 4:
	                return str.replace(/(\s*$)/g, "");
	            default:
	                return str;
	        }
	    },

	    /**大小写转换
	     * @param  {str} 
	     * @param  {type}
	     *       type:  1:首字母大写  2：首页母小写  3：大小写转换  4：全部大写  5：全部小写
	     * @return {String}
	     */
	    changeCase: function(str, type) {
	        type = type || 4
	        switch (type) {
	            case 1:
	                return str.replace(/\b\w+\b/g, function (word) {
	                    return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();

	                });
	            case 2:
	                return str.replace(/\b\w+\b/g, function (word) {
	                    return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
	                });
	            case 3:
	                return str.split('').map( function(word){
	                    if (/[a-z]/.test(word)) {
	                        return word.toUpperCase();
	                    }else{
	                        return word.toLowerCase();
	                    }
	                }).join('')
	            case 4:
	                return str.toUpperCase();
	            case 5:
	                return str.toLowerCase();
	            default:
	                return str;
	        }
	    },

	    /*
	        检测密码强度
	    */
	    checkPwd: function(str) {
	        var Lv = 0;
	        if (str.length < 6) {
	            return Lv
	        }
	        if (/[0-9]/.test(str)) {
	            Lv++
	        }
	        if (/[a-z]/.test(str)) {
	            Lv++
	        }
	        if (/[A-Z]/.test(str)) {
	            Lv++
	        }
	        if (/[\.|-|_]/.test(str)) {
	            Lv++
	        }
	        return Lv;
	    },

	    /*过滤html代码(把<>转换)*/
	    filterTag: function(str) {
	        str = str.replace(/&/ig, "&amp;");
	        str = str.replace(/</ig, "&lt;");
	        str = str.replace(/>/ig, "&gt;");
	        str = str.replace(" ", "&nbsp;");
	        return str;
	    }
}

Giveu.NumberUtil = {
		/*随机数范围*/
	    random: function(min, max) {
	        if (arguments.length === 2) {
	            return Math.floor(min + Math.random() * ( (max+1) - min ))
	        }else{
	            return null;
	        }
	        
	    },

	    /*将阿拉伯数字翻译成中文的大写数字*/
	    numberToChinese: function(num) {
	        var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
	        var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");
	        var a = ("" + num).replace(/(^0*)/g, "").split("."),
	            k = 0,
	            re = "";
	        for(var i = a[0].length - 1; i >= 0; i--) {
	            switch(k) {
	                case 0:
	                    re = BB[7] + re;
	                    break;
	                case 4:
	                    if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")
	                        .test(a[0]))
	                        re = BB[4] + re;
	                    break;
	                case 8:
	                    re = BB[5] + re;
	                    BB[7] = BB[5];
	                    k = 0;
	                    break;
	            }
	            if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0)
	                re = AA[0] + re;
	            if(a[0].charAt(i) != 0)
	                re = AA[a[0].charAt(i)] + BB[k % 4] + re;
	            k++;
	        }

	        if(a.length > 1) // 加上小数部分(如果有小数部分)
	        {
	            re += BB[6];
	            for(var i = 0; i < a[1].length; i++)
	                re += AA[a[1].charAt(i)];
	        }
	        if(re == '一十')
	            re = "十";
	        if(re.match(/^一/) && re.length == 3)
	            re = re.replace("一", "");
	        return re;
	    },

	    /*将数字转换为大写金额*/
	    changeToChinese: function(Num) {
	            //判断如果传递进来的不是字符的话转换为字符
	            if(typeof Num == "number") {
	                Num = new String(Num);
	            };
	            Num = Num.replace(/,/g, "") //替换tomoney()中的“,”
	            Num = Num.replace(/ /g, "") //替换tomoney()中的空格
	            Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符
	            if(isNaN(Num)) { //验证输入的字符是否为数字
	                //alert("请检查小写金额是否正确");
	                return "";
	            };
	            //字符处理完毕后开始转换，采用前后两部分分别转换
	            var part = String(Num).split(".");
	            var newchar = "";
	            //小数点前进行转化
	            for(var i = part[0].length - 1; i >= 0; i--) {
	                if(part[0].length > 10) {
	                    return "";
	                    //若数量超过拾亿单位，提示
	                }
	                var tmpnewchar = ""
	                var perchar = part[0].charAt(i);
	                switch(perchar) {
	                    case "0":
	                        tmpnewchar = "零" + tmpnewchar;
	                        break;
	                    case "1":
	                        tmpnewchar = "壹" + tmpnewchar;
	                        break;
	                    case "2":
	                        tmpnewchar = "贰" + tmpnewchar;
	                        break;
	                    case "3":
	                        tmpnewchar = "叁" + tmpnewchar;
	                        break;
	                    case "4":
	                        tmpnewchar = "肆" + tmpnewchar;
	                        break;
	                    case "5":
	                        tmpnewchar = "伍" + tmpnewchar;
	                        break;
	                    case "6":
	                        tmpnewchar = "陆" + tmpnewchar;
	                        break;
	                    case "7":
	                        tmpnewchar = "柒" + tmpnewchar;
	                        break;
	                    case "8":
	                        tmpnewchar = "捌" + tmpnewchar;
	                        break;
	                    case "9":
	                        tmpnewchar = "玖" + tmpnewchar;
	                        break;
	                }
	                switch(part[0].length - i - 1) {
	                    case 0:
	                        tmpnewchar = tmpnewchar + "元";
	                        break;
	                    case 1:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
	                        break;
	                    case 2:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
	                        break;
	                    case 3:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
	                        break;
	                    case 4:
	                        tmpnewchar = tmpnewchar + "万";
	                        break;
	                    case 5:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
	                        break;
	                    case 6:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
	                        break;
	                    case 7:
	                        if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
	                        break;
	                    case 8:
	                        tmpnewchar = tmpnewchar + "亿";
	                        break;
	                    case 9:
	                        tmpnewchar = tmpnewchar + "拾";
	                        break;
	                }
	                var newchar = tmpnewchar + newchar;
	            }
	            //小数点之后进行转化
	            if(Num.indexOf(".") != -1) {
	                if(part[1].length > 2) {
	                    // alert("小数点之后只能保留两位,系统将自动截断");
	                    part[1] = part[1].substr(0, 2)
	                }
	                for(i = 0; i < part[1].length; i++) {
	                    tmpnewchar = ""
	                    perchar = part[1].charAt(i)
	                    switch(perchar) {
	                        case "0":
	                            tmpnewchar = "零" + tmpnewchar;
	                            break;
	                        case "1":
	                            tmpnewchar = "壹" + tmpnewchar;
	                            break;
	                        case "2":
	                            tmpnewchar = "贰" + tmpnewchar;
	                            break;
	                        case "3":
	                            tmpnewchar = "叁" + tmpnewchar;
	                            break;
	                        case "4":
	                            tmpnewchar = "肆" + tmpnewchar;
	                            break;
	                        case "5":
	                            tmpnewchar = "伍" + tmpnewchar;
	                            break;
	                        case "6":
	                            tmpnewchar = "陆" + tmpnewchar;
	                            break;
	                        case "7":
	                            tmpnewchar = "柒" + tmpnewchar;
	                            break;
	                        case "8":
	                            tmpnewchar = "捌" + tmpnewchar;
	                            break;
	                        case "9":
	                            tmpnewchar = "玖" + tmpnewchar;
	                            break;
	                    }
	                    if(i == 0) tmpnewchar = tmpnewchar + "角";
	                    if(i == 1) tmpnewchar = tmpnewchar + "分";
	                    newchar = newchar + tmpnewchar;
	                }
	            }
	            //替换所有无用汉字
	            while(newchar.search("零零") != -1)
	                newchar = newchar.replace("零零", "零");
	            newchar = newchar.replace("零亿", "亿");
	            newchar = newchar.replace("亿万", "亿");
	            newchar = newchar.replace("零万", "万");
	            newchar = newchar.replace("零元", "元");
	            newchar = newchar.replace("零角", "");
	            newchar = newchar.replace("零分", "");
	            if(newchar.charAt(newchar.length - 1) == "元") {
	                newchar = newchar + "整"
	            }
	            return newchar;
	        }
}

Giveu.DateUtil = {
		/**
		 * 格式化时间
		 * 
		 * @param  {time} 时间
		 * @param  {cFormat} 格式
		 * @return {String} 字符串
		 *
		 * @example formatTime('2018-1-29', '{y}/{m}/{d} {h}:{i}:{s}') // -> 2018/01/29 00:00:00
		 */
		formatTime: function(time, cFormat) {
		    if (arguments.length === 0) return null
		    if ((time + '').length === 10) {
		        time = +time * 1000
		    }

		    var format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}', date
		    if (typeof time === 'object') {
		        date = time
		    } else {
		        date = new Date(time)
		    }

		    var formatObj = {
		        y: date.getFullYear(),
		        m: date.getMonth() + 1,
		        d: date.getDate(),
		        h: date.getHours(),
		        i: date.getMinutes(),
		        s: date.getSeconds(),
		        a: date.getDay()
		    }
		    var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		        var value = formatObj[key]
		        if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
		        if (result.length > 0 && value < 10) {
		            value = '0' + value
		        }
		        return value || 0
		    })
		    return time_str
		},


		/**
		 * 返回指定长度的月份集合
		 * 
		 * @param  {time} 时间
		 * @param  {len} 长度
		 * @param  {direction} 方向：  1: 前几个月;  2: 后几个月;  3:前后几个月  默认 3
		 * @return {Array} 数组
		 * 
		 * @example   getMonths('2018-1-29', 6, 1)  // ->  ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"]
		 */
		getMonths: function(time, len, direction) {
		    var mm = new Date(time).getMonth(),
		        yy = new Date(time).getFullYear(),
		        direction = isNaN(direction) ? 3 : direction,
		        index = mm;
		    var cutMonth = function(index) {
		        if ( index <= len && index >= -len) {
		            return direction === 1 ? formatPre(index).concat(cutMonth(++index)):
		                direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index))
		        }
		        return []
		    }
		    var formatNext = function(i) {
		        var y = Math.floor(i/12),
		            m = i%12
		        return [yy+y + '-' + (m+1)]
		    }
		    var formatPre = function(i) {
		        var y = Math.ceil(i/12),
		            m = i%12
		        m = m===0 ? 12 : m
		        return [yy-y + '-' + (13 - m)]
		    }
		    var formatCurr = function(i) {
		        var y = Math.floor(i/12),
		            yNext = Math.ceil(i/12),
		            m = i%12,
		            mNext = m===0 ? 12 : m
		        return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)]
		    }
		    // 数组去重
		    var unique = function(arr) {
		        if ( Array.hasOwnProperty('from') ) {
		            return Array.from(new Set(arr));
		        }else{
		            var n = {},r=[]; 
		            for(var i = 0; i < arr.length; i++){
		                if (!n[arr[i]]){
		                    n[arr[i]] = true; 
		                    r.push(arr[i]);
		                }
		            }
		            return r;
		        }
		    }
		    return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){
		        return new Date(t1).getTime() - new Date(t2).getTime()
		    }))
		},



		/**
		 * 返回指定长度的天数集合
		 * 
		 * @param  {time} 时间
		 * @param  {len} 长度
		 * @param  {direction} 方向： 1: 前几天;  2: 后几天;  3:前后几天  默认 3
		 * @return {Array} 数组
		 *
		 * @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"]
		 */
		getDays: function(time, len, diretion) {
		    var tt = new Date(time)
		    var getDay = function(day) {
		        var t = new Date(time)
		        t.setDate(t.getDate() + day)
		        var m = t.getMonth()+1
		        return t.getFullYear()+'-'+m+'-'+t.getDate()
		    }
		    var arr = []
		    if (diretion === 1) {
		        for (var i = 1; i <= len; i++) {
		            arr.unshift(getDay(-i))
		        }
		    }else if(diretion === 2) {
		        for (var i = 1; i <= len; i++) {
		            arr.push(getDay(i))
		        }
		    }else {
		        for (var i = 1; i <= len; i++) {
		            arr.unshift(getDay(-i))
		        }
		        arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate())
		        for (var i = 1; i <= len; i++) {
		            arr.push(getDay(i))
		        }
		    }
		    return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) : 
		        diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr
		},


		/**
		 * @param  {s} 秒数
		 * @return {String} 字符串 
		 *
		 * @example formatHMS(3610) // -> 1h0m10s
		 */
		formatHMS: function(s) {
		    var str = ''
		    if (s > 3600) {
		        str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s'
		    }else if(s > 60) {
		        str = Math.floor(s/60)+'m'+s%60+'s'
		    }else{
		        str = s%60+'s'
		    }
		    return str
		},

		/*获取某月有多少天*/
		getMonthOfDay: function(time) {
		    var date = new Date(time)
		    var year = date.getFullYear()
		    var mouth = date.getMonth() + 1
		    var days

		    //当月份为二月时，根据闰年还是非闰年判断天数
		    if (mouth == 2) {
		        days = (year%4==0 && year%100==0 && year%400==0) || (year%4==0 && year%100!=0) ? 28 : 29
		    } else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) {
		        //月份为：1,3,5,7,8,10,12 时，为大月.则天数为31；
		        days = 31
		    } else {
		        //其他月份，天数为：30.
		        days = 30
		    }
		    return days
		},

		/*获取某年有多少天*/
		getYearOfDay: function(time) {
		    var firstDayYear = this.getFirstDayOfYear(time);
		    var lastDayYear = this.getLastDayOfYear(time);
		    var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000;
		    return Math.ceil(numSecond/(24*3600));
		},

		/*获取某年的第一天*/
		getFirstDayOfYear: function(time) {
		    var year = new Date(time).getFullYear();
		    return year + "-01-01 00:00:00";
		},

		/*获取某年最后一天*/
		getLastDayOfYear: function(time) {
		    var year = new Date(time).getFullYear();
		    var dateString = year + "-12-01 00:00:00";
		    var endDay = this.getMonthOfDay(dateString);
		    return year + "-12-" + endDay + " 23:59:59";
		},

		/*获取某个日期是当年中的第几天*/
		getDayOfYear: function(time) {
		    var firstDayYear = this.getFirstDayOfYear(time);
		    var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000;
		    return Math.ceil(numSecond/(24*3600));
		},

		/*获取某个日期在这一年的第几周*/
		getDayOfYearWeek: function(time) {
		    var numdays = this.getDayOfYear(time);
		    return Math.ceil(numdays / 7);
		}
}

Giveu.ArrayUtil = {
		/*判断一个元素是否在数组中*/
		contains: function(arr, val) {
		    return arr.indexOf(val) != -1 ? true : false;
		},


		/**
		 * @param  {arr} 数组
		 * @param  {fn} 回调函数
		 * @return {undefined}
		 */
		each: function(arr, fn) {
		    fn = fn || Function;
		    var a = [];
		    var args = Array.prototype.slice.call(arguments, 1);
		    for(var i = 0; i < arr.length; i++) {
		        var res = fn.apply(arr, [arr[i], i].concat(args));
		        if(res != null) a.push(res);
		    }
		},

		/**
		 * @param  {arr} 数组
		 * @param  {fn} 回调函数
		 * @param  {thisObj} this指向
		 * @return {Array} 
		 */
		map: function(arr, fn, thisObj) {
		    var scope = thisObj || window;
		    var a = [];
		    for(var i = 0, j = arr.length; i < j; ++i) {
		        var res = fn.call(scope, arr[i], i, this);
		        if(res != null) a.push(res);
		    }
		    return a;
		},


		/**
		 * @param  {arr} 数组
		 * @param  {type} 1：从小到大   2：从大到小   3：随机
		 * @return {Array}
		 */
		sort: function(arr, type = 1) {
		    return arr.sort( (a, b) => {
		        switch(type) {
		            case 1:
		                return a - b;
		            case 2:
		                return b - a;
		            case 3:
		                return Math.random() - 0.5;
		            default:
		                return arr;
		        }
		    })
		},

		/*去重*/
		unique: function(arr) {
		    if ( Array.hasOwnProperty('from') ) {
		        return Array.from(new Set(arr));
		    }else{
		        var n = {},r=[]; 
		        for(var i = 0; i < arr.length; i++){
		            if (!n[arr[i]]){
		                n[arr[i]] = true; 
		                r.push(arr[i]);
		            }
		        }
		        return r;
		    }
		    // 注：上面 else 里面的排重并不能区分 2 和 '2'，但能减少用indexOf带来的性能,暂时没找到替代的方法。。。
		    /* 正确排重
		    if ( Array.hasOwnProperty('from') ) {
		        return Array.from(new Set(arr))
		    }else{
		        var r = [], NaNBol = true
		        for(var i=0; i < arr.length; i++) {
		            if (arr[i] !== arr[i]) {
		                if (NaNBol && r.indexOf(arr[i]) === -1) {
		                    r.push(arr[i])
		                    NaNBol = false
		                }
		            }else{
		                if(r.indexOf(arr[i]) === -1) r.push(arr[i])
		            }
		        }
		        return r
		    }

		     */
		},


		/*求两个集合的并集*/
		union: function(a, b) {
		    var newArr = a.concat(b);
		    return this.unique(newArr);
		},

		/*求两个集合的交集*/
		intersect: function(a, b) {
		    var _this = this;
		    a = this.unique(a);
		    return this.map(a, function(o) {
		        return _this.contains(b, o) ? o : null;
		    });
		},

		/*删除其中一个元素*/
		remove: function(arr, ele) {
		    var index = arr.indexOf(ele);
		    if(index > -1) {
		        arr.splice(index, 1);
		    }
		    return arr;
		},

		/*将类数组转换为数组的方法*/
		formArray: function(ary) {
		    var arr = [];
		    if(Array.isArray(ary)) {
		        arr = ary;
		    } else {
		        arr = Array.prototype.slice.call(ary);
		    };
		    return arr;
		},

		/*最大值*/
		max: function(arr) {
		    return Math.max.apply(null, arr);
		},

		/*最小值*/
		min: function(arr) {
		    return Math.min.apply(null, arr);
		},

		/*求和*/
		sum: function(arr) {
		    return arr.reduce( (pre, cur) => {
		        return pre + cur
		    })
		},

		/*平均值*/
		average: function(arr) {
		    return this.sum(arr)/arr.length
		}
}

Giveu.HttpUtil = {
		/**
		 * @param  {setting}
		 */
		ajax: function(setting){
		    //设置参数的初始值
		    var opts={
		        method: (setting.method || "GET").toUpperCase(), //请求方式
		        url: setting.url || "", // 请求地址
		        async: setting.async || true, // 是否异步
		        dataType: setting.dataType || "json", // 解析方式
		        data: setting.data || "", // 参数
		        success: setting.success || function(){}, // 请求成功回调
		        error: setting.error || function(){} // 请求失败回调
		    }

		    // 参数格式化
		    function params_format (obj) {
		        var str = ''
		        for (var i in obj) {
		            str += i + '=' + obj[i] + '&'
		        }
		        return str.split('').slice(0, -1).join('')
		    }

		    // 创建ajax对象
		    var xhr=new XMLHttpRequest();

		    // 连接服务器open(方法GET/POST，请求地址， 异步传输)
		    if(opts.method == 'GET'){
		        xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);
		        xhr.send();
		    }else{
		        xhr.open(opts.method, opts.url, opts.async);
		        xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		        xhr.send(opts.data);
		    }
		    
		    /*
		    ** 每当readyState改变时，就会触发onreadystatechange事件
		    ** readyState属性存储有XMLHttpRequest的状态信息
		    ** 0 ：请求未初始化
		    ** 1 ：服务器连接已建立
		    ** 2 ：请求已接受
		    ** 3 : 请求处理中
		    ** 4 ：请求已完成，且相应就绪
		    */
		    xhr.onreadystatechange = function() {
		        if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 304)) {
		            switch(opts.dataType){
		                case "json":
		                    var json = JSON.parse(xhr.responseText);
		                    opts.success(json);
		                    break;
		                case "xml":
		                    opts.success(xhr.responseXML);
		                    break;
		                default:
		                    opts.success(xhr.responseText);
		                    break;
		            }
		        }
		    }

		    xhr.onerror = function(err) {
		        opts.error(err);
		    }
		},

		/**
		 * @param  {url}
		 * @param  {setting}
		 * @return {Promise}
		 */
		fetch: function(url, setting) {
		    //设置参数的初始值
		    let opts={
		        method: (setting.method || 'GET').toUpperCase(), //请求方式
		        headers : setting.headers  || {}, // 请求头设置
		        credentials : setting.credentials  || true, // 设置cookie是否一起发送
		        body: setting.body || {},
		        mode : setting.mode  || 'no-cors', // 可以设置 cors, no-cors, same-origin
		        redirect : setting.redirect  || 'follow', // follow, error, manual
		        cache : setting.cache  || 'default' // 设置 cache 模式 (default, reload, no-cache)
		    }
		    let dataType = setting.dataType || "json", // 解析方式  
		        data = setting.data || "" // 参数

		    // 参数格式化
		    function params_format (obj) {
		        var str = ''
		        for (var i in obj) {
		            str += `${i}=${obj[i]}&`
		        }
		        return str.split('').slice(0, -1).join('')
		    }

		    if (opts.method === 'GET') {
		        url = url + (data?`?${params_format(data)}`:'')
		    }else{
		        setting.body = data || {}
		    }

		    return new Promise( (resolve, reject) => {
		        fetch(url, opts).then( async res => {
		            let data = dataType === 'text' ? await res.text() :
		                dataType === 'blob' ? await res.blob() : await res.json() 
		            resolve(data)
		        }).catch( e => {
		            reject(e)
		        })
		    })
		    
		}
}